<!DOCTYPE html>
<html lang="zh">
	<head>
		<meta charset="UTF-8">
		<title>aaa</title>
	</head>
	<body>
		<h2>aaa页面</h2>
		<a href="bbb.html">去bbb.html</a>
		<input type="button" value="后退" onclick="click1()" />
		<script type="text/javascript">
			function click1(){
				window.history.back();
			}
			
		</script>
	</body>
</html>
